Sets the disposition to value which may be one of #GMIME_DISPOSITION_ATTACHMENT or #GMIME_DISPOSITION_INLINE or, by your choice, any other string which would indicate how the MIME part should be displayed by the MUA.
disposition value
Sets the disposition to value which may be one of #GMIME_DISPOSITION_ATTACHMENT or #GMIME_DISPOSITION_INLINE or, by your choice, any other string which would indicate how the MIME part should be displayed by the MUA.